City and federal officials attribute much of the crime to gangs.

However, officials attribute some of the decrease to workers' leaving the labor force or the state.

Officials at the site attributed the problems to the bitter cold that settled into the area.

Officials later attributed the incident to a single individual, and the police did not intervene.

Instead, the officials attributed the drop to a decline in the number of students who took the exam more than once.

Several high officials attributed the delay to the complicated Federal hiring process.

Several former top officials of the agency attributed the decline in enforcement actions to budget problems.

Officials attribute Brazil's declining birth rate to major social changes under way in the population.

Officials at the bank attributed the delay to the enormous complexity and cost of the project.

Officials attribute the record number in treatment partly to expanded capacity.